namespace examples.thing.simple

const AGREEMENT_KEY: string = "agreement_key"


@min_chars=0 max_chars=1024
validator StringBounds {
    assert_error(
        value.length > params.max_chars or value.length < params.min_chars,
        "String {value.name} must be more than {params.min_chars} and less than {params.max_chars}"
    )
}

@min_chars=16 max_chars=60
validator PasswordCheck {
    assert_valid(
        self.parameters.0,
        StringBounds(min_chars=params.min_chars max_chars=params.max_chars
    )
}


@settings(versioned=False validate_fields=False)
struct Credentials {

    @validators([StringBounds(min_chars=8 max_chars=16)])
    1# username: str = "test"

    @validators=[PasswordCheck]
    2# password: str
}


struct CredentialsOther {

    @parameters.0.validators=[StringBounds(min_chars=8 max_chars=16]
    #1 username: union(str null) = "test" | null

    @validators=([PasswordCheck()])
    #2 password: str
}


enum RegisterStatus {
    Ok
    UsernameTaken
}


error TellBackError {
    message = "Could not get the provider to tell \"{self.back}\" back"

    1# back: str
}


@provider=Server
protocol Registry {

    @argument.0.username.validate=true
    #timeout_ms=100
    #cooldown_ms=200
    function register(Credentials) returns RegisterStatus

    @return.0.validators=[StringBounds(min_chars=8)]
    function my_username() returns str

    @return.0.validators=[StringBounds(min_chars=8)]
    function tell_back(str = "back") returns str throws TellBackError

}


struct TellBackResponse {

}


@provider=Server
protocol Events {
    async function poke()
}